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DE949816T1 - Execution control method for an interactive audio / video program - Google Patents

Execution control method for an interactive audio / video program

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Publication number
DE949816T1
DE949816T1 DE0949816T DE99115043T DE949816T1 DE 949816 T1 DE949816 T1 DE 949816T1 DE 0949816 T DE0949816 T DE 0949816T DE 99115043 T DE99115043 T DE 99115043T DE 949816 T1 DE949816 T1 DE 949816T1
Authority
DE
Germany
Prior art keywords
execution
message
sending
avi program
response
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
DE0949816T
Other languages
German (de)
Other versions
DE19915043B4 (en
DE19915043A1 (en
Inventor
Alain Delpuch
Jean-Rene Menand
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OpenTV Inc
Original Assignee
OpenTV Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by OpenTV Inc filed Critical OpenTV Inc
Publication of DE949816T1 publication Critical patent/DE949816T1/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/8166—Monomedia components thereof involving executable data, e.g. software
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Circuits Of Receivers In General (AREA)
  • Stored Programmes (AREA)
  • Television Signal Processing For Recording (AREA)
  • Television Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Claims (7)

19.07.2000,-Ansprüche-Europäische Patentanmeldung: 99 115 043.4 Europäisches Patent: 0 949 816 Patentanspruch19.07.2000,-Claims-European patent application: 99 115 043.4 European patent: 0 949 816 Patent claim 1. Verfahren zur Regelung der Ausführung eines AVI-Programms in einem interaktiven Audio/Video (AVI) Empfänger zum Empfang eines Paket-Stromes enthaltend ein AVI-Programm und Ausführungssignale, und enthaltend eine Ausführungsregelung zum Regeln der Ausführung des AVI-Programms,
gekennzeichnet durch folgende Schritte: 1. A method for controlling the execution of an AVI program in an interactive audio/video (AVI) receiver for receiving a packet stream containing an AVI program and execution signals, and comprising an execution control for controlling the execution of the AVI program,
characterized by the following steps: 10 In der Ausführungsregelung:10 In the implementing regulation: Laden des AVI-Programms in einen Speicher in Abhängigkeit von der Gegenwart des AVI-Programms im Paket-Strom;Loading the AVI program into a memory depending on the presence of the AVI program in the packet stream; Senden einer Aktivierungsanstoßnachricht an das AVI-Programm abhängig von einer Benutzereingabe;Sending an activation trigger message to the AVI program depending on user input; Senden einer Beendigungsnachricht an das AVI-Programm in Abhängigkeit von einem Ausführungsbeendungssignal im Paket-Strom;
Senden einer Unterbrechungsnachricht an das AVI-Programm abhängig zu einem Ausführungsunterbrechungssignal im Paket-Strom und
Senden einer Fortsetzungsnachricht an das AVI-Programm in Abhängigkeit von einem Ausführungsfortsetzungssignal in dem Paket-Strom undSending a termination message to the AVI program in response to an execution termination signal in the packet stream;
Sending an interrupt message to the AVI program depending on an execution interrupt signal in the packet stream and
Sending a continuation message to the AVI program in response to an execution continuation signal in the packet stream and im AVI-Programm: Ausführung in einem der Folgenden:in the AVI program: Execution in one of the following: ein inaktiver Status, in welchem das AVI-Programm inaktiv ist;
ein aktiver Status, in welchem das AVI-Programm ausgeführt wird; undan inactive status in which the AVI program is inactive;
an active state in which the AVI program is running; and ein unterbrochener Status, in welchem die Ausführung des AVI-Programms unterbrochen ist;a suspended state in which the execution of the AVI program is interrupted; Beginnen des inaktiven Status in Abhängigkeit von dem Laden des AVI-Programms in den Speicher;Entering the inactive state depending on the loading of the AVI program into memory; Unterbrechen der Ausführung und Entladen des AVI-Programms aus dem Speicher in Abhängigkeit von der Beendigungsnachricht;Suspending execution and unloading the AVI program from memory depending on the termination message; sofern im inaktiven Status, Betreten des aktiven Status in Abhängigkeitif in inactive status, entering the active status depending von einer Aktivierungsanstoßnachricht; 35from an activation trigger message; 35 OPENTV, Inc., ** * . J' . * I .* · &iacgr; &iacgr;* &idigr;OPENTV, Inc., *** * . J' . * I .* · &iacgr;&iacgr;*&idigr; #5706E/gw,sc si..*..· *.** &idigr; *.***♦»*#5706E/gw,sc si..*..· *.** &idigr;*.***♦»* 19.07.2000, -Ansprüche-Europäische Patentanmeldung: 99 115 043.4
Europäisches Patent: 0 949 81619.07.2000, -Claims-European patent application: 99 115 043.4
European Patent: 0 949 816 wenn im aktiven Status:when in active status: Betreten des inaktiven Status in Abhängigkeit von einer Aktivierungsanstoßnachricht; undEntering the inactive state in response to an activation trigger message; and Betreten des unterbrochenen Status in Abhängigkeit von einer Unterbrechungsnachricht; und
wenn in dem unterbrochenen Status:Entering the suspended state in response to a suspension message; and
if in the interrupted status: Betreten des aktiven Status in Abhängigkeit von einer Fortsetzungsnachricht; undEntering the active status depending on a continuation message; and Betreten des inaktiven Status in Abhängigkeit von einer Aktivierungsanstoßnachricht. Entering the inactive state depending on an activation trigger message. 2. Verfahren nach Anspruch 1,
dadurch gekennzeichnet, 2. Method according to claim 1,
characterized, dass das Ausführungsunterbrechungssignal in dem Paket-Strom durch wiederholte Ausführungsunterbrechungssignalpakete während eines Unterbrechungszeitintervalls dargestellt wird, und dass das Ausführungsfortsetzungssignal durch ein Aussetzen der wiederholten Ausführungsunterbrechungssignalpakete dargestellt wird; und that the execution interrupt signal in the packet stream is represented by repeated execution interrupt signal packets during a interrupt time interval, and that the execution continuation signal is represented by a suspension of the repeated execution interrupt signal packets; and dass der Schritt des Aussendens einer Unterbrechungsnachricht in der Ausführungsregelung den Schritt des Sendens einer Unterbrechungsnachricht in Abhängigkeit von einem ersten Ausführungsunterbrechungssignalpaket aufweist; und
dass der Schritt des Sendens einer Fortsetzungsnachricht in der Ausführungsregelung den Schritt des Aussendens einer Fortsetzungsnachricht nach einer vorbestimmten Zeitperiode, in welcher kein Unterbrechungsausführungssignalpaket empfangen ist, aufweist. that the step of sending an interrupt message in the execution control comprises the step of sending an interrupt message in response to a first execution interrupt signal packet; and
that the step of sending a continuation message in the execution control comprises the step of sending a continuation message after a predetermined period of time in which no interrupt execution signal packet is received. 3. Verfahren nach Anspruch 1,
dadurch gekennzeichnet, 3. Method according to claim 1,
characterized, dass das Ausführungsunterbrechungssignal in dem Paket-Strom von einem Ausführungsunterbrechungssignalpaket dargestellt wird und das Ausführungsfortsetzungssignal von einem Ausführungsfortsetzungssignalpaket dargestellt wird; und that the execution interrupt signal in the packet stream is represented by an execution interrupt signal packet and the execution continuation signal is represented by an execution continuation signal packet; and OPENTV, Inc., .* I I . &iacgr; '. ** · &iacgr; &idigr; &iacgr; !OPENTV, Inc., .* II . &iacgr;'. ** · &iacgr;&idigr;&iacgr; ! 19.07.2000,-Ansprüche-Europäische Patentanmeldung: 99 115 043.4
Europäisches Patent: 0 949 81619.07.2000,-Claims-European patent application: 99 115 043.4
European Patent: 0 949 816 0E/EP0S4S8I6TI0E/EP0S4S8I6TI dass der Schritt des Sendens einer Unterbrechungsnachricht in der Ausführungsregelung den Schritt des Aussendens einer Unterbrechungsnachricht in Abhängigkeit von einem Ausführungsunterbrechungssignalpaket aufweist; und that the step of sending an interrupt message in the execution control comprises the step of sending an interrupt message in response to an execution interrupt signal packet; and dass der Schritt des Sendens einer Fortsetzungsnachricht in der Ausführungsregelung den Schritt des Aussendens einer Fortsetzungsnachricht in Abhängigkeit von einem Ausführungsfortsetzungssignalpaket aufweist. that the step of sending a continuation message in the execution control comprises the step of sending a continuation message in response to an execution continuation signal packet. 4. Verfahren zur Regelung der Ausführung eines AVI-Programms in einem interaktiven Audio/Video (AVI) Empfänger wahlweise erhaltend einen von mehreren Paket-Strömen unter Steuerung eines Benutzers, wobei jeder Paket-Strom ein AVI-Programm enthält, dass einen Identifikator und Ausführungssignale besitzt, wobei der Empfänger eine Ausführungsregelung zum Regeln der Ausführung des AVI-Programms einschließt,4. A method for controlling the execution of an AVI program in an interactive audio/video (AVI) receiver selectively receiving one of several packet streams under control of a user, each packet stream containing an AVI program having an identifier and execution signals, the receiver including an execution controller for controlling the execution of the AVI program, gekennzeichnet durch folgende Schritte:
in der Ausführungsregelung: characterized by the following steps:
in the implementing regulation: Laden des AVI-Programms in einen Speicher in Abhängigkeit von der Gegenwart des AVI-Programms in einem ausgewählten von mehreren Paket-Strömen, Speichern des Identifikators des geladenen Anwendungsprogramms in einen entsprechenden Ort des Speichers, und Suchen nach zuvor in dem Speicher gespeicherten Blöcken, die Identifikatoren von minimierten AVI-Programmen enthalten und Suchen, ob ein in einem Block enthaltener Identifikator zu einem Identifikator des AVI-Programms passt, der in dem Speicher geladen ist, Setzen des Ausführungsstatus und der Umgebung eines neu geladenen AVI-Programms auf einen Ausführungsstatus und eine Umgebung aus dem passenden Block; Senden einer Aktivierungsanstoßnachricht an das AVI-Programm in Abhängigkeit von einer Benutzereingabe;loading the AVI program into memory in response to the presence of the AVI program in a selected one of a plurality of packet streams, storing the identifier of the loaded application program in a corresponding location of memory, and searching for blocks previously stored in memory that contain identifiers of minimized AVI programs and searching whether an identifier contained in a block matches an identifier of the AVI program loaded in memory, setting the execution state and environment of a newly loaded AVI program to an execution state and environment from the matching block; sending an activation trigger message to the AVI program in response to user input; Senden einer Beendigungsnachricht an das AVI-Programm in Abhängigkeit zu einem Ausführungsbeendungssignal in einem ausgewählten von mehreren Paket-Strömen;sending a termination message to the AVI program in response to an execution termination signal in a selected one of a plurality of packet streams; opentv, inc., ·* &Sgr; &Sgr; · &Sgr; &idigr;·* »&Sgr; &Sgr;&iacgr; Iopentv, inc., ·* &Sgr;&Sgr; · &Sgr;&idigr;·*»&Sgr;&Sgr;&iacgr; I #5706E/gw,sc .&iacgr;..*..' *..* I *.»**.·* #5706E/gw,sc .&iacgr;..*..' *..* I *.»**.·* 19.07.2000,-Ansprüche-Europäische Patentanmeldung: 99 115 043.4
Europäisches Patent: 0 949 81619.07.2000,-Claims-European patent application: 99 115 043.4
European Patent: 0 949 816 Aussenden einer Unterbrechungsnachricht an das AVI-Programm in Abhängigkeit von einem Ausführungsunterbrechungssignal in dem ausgewählten von mehreren Paket-Strömen; undsending an interrupt message to the AVI program in response to an execution interrupt signal in the selected one of a plurality of packet streams; and Senden einer Fortsetzungsnachricht an das AVI-Programm in Abhängigkeit von einem Ausführungsfortsetzungssignal in einem ausgewählten von mehreren Paket-Strömen;sending a continuation message to the AVI program in response to a continue execution signal in a selected one of a plurality of packet streams; Aussenden einer Minimierungsnachricht an das AVI-Programm in Abhängigkeit von der Gegenwart eines AVI-Programms in dem Datenstrom, der einen von dem Identifikator in dem entsprechenden Speicherort verschiedenen Identifikator besitzt; undsending a minimization message to the AVI program in response to the presence of an AVI program in the data stream that has an identifier different from the identifier in the corresponding storage location; and in dem AVI-Programm:in the AVI program: das Ausführen von einem der folgenden Schritte in:
einem inaktiven Status, in welchem das AVI-Programm inaktiv ist;
einem aktiven Status, in welchem das AVI-Programm ausgeführt wird;performing any of the following steps in:
an inactive status in which the AVI program is inactive;
an active state in which the AVI program is running; einem unterbrochenen Status, in welchem die Ausführung des AVI-Programms unterbrochen ist, und
einem minimierten Status, einschließend folgende Schritte:a suspended state in which the execution of the AVI program is interrupted, and
a minimized status, including the following steps: Unterbrechen der Ausführung des AVI-Programms; dannInterrupt the execution of the AVI program; then Speichern des Identifikators des AVI-Programms und des Ausführungsstatus und der Umgebung des AVI-Programms in einem Speicherblock; dann
Entladen des AVI-Programms aus dem Speicher;Storing the identifier of the AVI program and the execution status and environment of the AVI program in a memory block; then
Unloading the AVI program from memory; Speichern des inaktiven Status in Abhängigkeit von dem Laden des AVI-Programms in den Speicher;Saving the inactive status depending on the loading of the AVI program into the memory; Unterbrechen der Ausführung, und Entladen des AVI-Programms aus dem Speicher in Abhängigkeit von einer Beendungsnachricht;Suspending execution and unloading the AVI program from memory in response to a termination message; wenn im inaktiven Status, Betreten des aktiven Status in Abhängigkeit von einer Aktivierungsanstoßnachricht;if in the inactive state, entering the active state in response to an activation trigger message; wenn im aktiven Status:when in active status: OPENTV, Inc., .* &iacgr; ! « ! !*' » &iacgr; Il I OPENTV, Inc., .* &iacgr; ! «! !*' » &iacgr; Il I #5706E/gw,sc .·.. ·„· ·„· : ·..··..*#5706E/gw,sc .·.. ·”· ·”· : ·..··..* 19.07.2000,-Ansprüche-Europäische Patentanmeldung: 99 115 043.4
Europäisches Patent: 0 949 81619.07.2000,-Claims-European patent application: 99 115 043.4
European Patent: 0 949 816 Betreten des inaktiven Status in Abhängigkeit von einer Aktivierungsanstoßnachricht; undEntering the inactive state in response to an activation trigger message; and Betreten des unterbrochenen Status in Abhängigkeit von einer Unterbrechungsnachricht; undEntering the suspended state in response to a suspension message; and wenn im unterbrochenen Status:if in suspended status: Betreten des aktiven Status in Abhängigkeit von einer Fortsetzungsnachricht; Entering the active status depending on a continuation message; Betreten des inaktiven Status in Abhängigkeit von einer Aktivierungsanstoßnachricht; undEntering the inactive state in response to an activation trigger message; and Betreten des Minimierstatus in Abhängigkeit von einer Minimiernachricht.Entering the minimize state depending on a minimize message. 5. Verfahren nach Anspruch 4,
dadurch gekennzeichnet, 5. Method according to claim 4,
characterized, dass der Speicherschritt in dem Schritt des Ausführens in dem Minimierstatus in dem Anwendungsprogramm außerdem folgenden Schritt enthält: that the storage step in the step of executing in the minimized state in the application program further includes the following step: Speichern einer Zeitdauer in dem Speicherblock, der die Zeitdauer indiziert, während welcher in dem Speicherblock gespeicherte Daten in dem Speicher verbleiben und, nachdem der Zeitablauf abgelaufen ist, Entfernen der gespeicherten Daten aus dem Speicherblock.Storing a time period in the memory block indicating the time period during which data stored in the memory block remains in the memory and, after the time period has expired, removing the stored data from the memory block. 6. Verfahren nach Anspruch 4,
dadurch gekennzeichnet, 6. Method according to claim 4,
characterized, dass das Ausführungsunterbrechungssignal in dem ausgewählten von mehreren Paket-Strömen durch wiederholte Ausführungsunterbrechungssignalpakete während eines Unterbrechungszeitintervalls dargestellt ist; und
dass das Ausführungsfortsetzungssignal durch Aussetzen der wiederholten Ausführungsunterbrechungssignalpakete dargestellt ist; und dass der Schritt des Sendens einer Unterbrechungsnachricht in der Ausführungsregelung den Schritt des Sendens einer Unterbrechungsnachricht in Abhängigkeit von einem ersten Ausführungsunterbrechungssignalpaket einschließt; und that the execution interrupt signal in the selected one of a plurality of packet streams is represented by repeated execution interrupt signal packets during an interrupt time interval; and
that the execution continuation signal is represented by suspending the repeated execution interrupt signal packets; and that the step of sending an interrupt message in the execution control includes the step of sending an interrupt message in response to a first execution interrupt signal packet; and OPENTV, Inc., «'!!«Si·*···!· OPENTV, Inc., «'!!«Si·*···!· 19.07.2000, -Ansprüche-Europäische Patentanmeldung: 99 115 043.4
Europäisches Patent: 0 949 81619.07.2000, -Claims-European patent application: 99 115 043.4
European Patent: 0 949 816 DE/EPQ 943816T1 EN/EPQ943816T1 dass der Schritt des Aussendens einer Fortsetzungsnachricht in der Ausführungsregelung den Schritt des Aussendens einer Fortsetzungsnachricht nach einer vorbestimmten Zeitperiode einschließt, in welcher keine Ausführungsunterbrechungssignalpakete empfangen werden.
5 that the step of sending a continuation message in the execution control includes the step of sending a continuation message after a predetermined period of time in which no execution interrupt signal packets are received.
5 7. Verfahren nach Anspruch 4,
dadurch gekennzeichnet, 7. Method according to claim 4,
characterized, dass das Ausführungsunterbrechungssignal von einem Ausführungsunterbrechungssignalpaket und das Ausführungsfortsetzungssignal von einem Ausführungsfortsetzungssignalpaket dargestellt sind; und that the execution interrupt signal is represented by an execution interrupt signal packet and the execution continuation signal is represented by an execution continuation signal packet; and dass der Schritt des Aussendens einer Unterbrechungsnachricht in der Ausführungsregelung den Schritt des Sendens einer Unterbrechungsnachricht in Abhängigkeit von einem Ausführungsunterbrechungssignalpaket einschließt; und that the step of sending an interrupt message in the execution control includes the step of sending an interrupt message in response to an execution interrupt signal packet; and dass der Schritt des Aussendens einer Fortsetzungsnachricht in der Ausführungsregelung den Schritt des Aussendens einer Fortsetzungsnachricht in Abhängigkeit von einem Ausführungsfortsetzungssignalpaket einschließt. that the step of sending a continuation message in the execution control includes the step of sending a continuation message in response to an execution continuation signal packet.
DE0949816T 1994-04-28 1995-04-19 Execution control method for an interactive audio / video program Pending DE949816T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/234,146 US5563648A (en) 1994-04-28 1994-04-28 Method for controlling execution of an audio video interactive program

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DE69515076T Expired - Lifetime DE69515076T2 (en) 1994-04-28 1995-04-19 Execution control method for an interactive audio / video program
DE69531561T Expired - Lifetime DE69531561T2 (en) 1994-04-28 1995-04-19 Execution control process for an interactive audio / video program

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US (1) US5563648A (en)
EP (2) EP0949816B1 (en)
JP (1) JP4011128B2 (en)
KR (1) KR100334086B1 (en)
CN (1) CN1097386C (en)
CA (1) CA2145898C (en)
DE (3) DE949816T1 (en)
ES (2) ES2142966T3 (en)
PT (1) PT949816E (en)
RU (1) RU95106670A (en)
TW (1) TW357534B (en)

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US5563648A (en) 1996-10-08
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